Feeder - Maguire Products

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VOLUMETRIC CONTROLS No “double” coloring of regrind All automatic speed control units are preprogrammed to accept signals from our regrind feeders. Should you purchase our MRF Regrind Feeder to meter regrind at-thethroat, our Color Controllers will automatically reduce metering to prevent over-coloring the regrind. Since color controllers are normally set to color 100% natural material, the occasional introduction of regrind is usually done without thought to the cost of coloring it twice. Should you wish to address this problem in the future, our automatic speed control units are already equipped to interact with our Regrind Feeders. Extrusion Following Option With this option, a controller “follows” the speed of the extruder automatically. Any changes in extruder speed are sensed and followed exactly by the Controller output. A tachometer that currently exists on your extruder provides either an AC or DC voltage output that varies with extruder RPM. This signal is fed into the Maguire extruder-voltage preprocessor. This signal is passed onto the main processor through an optical coupler. A calibration pot allows each preprocessor to be exactly tuned for your particular extruder. Calibration is required only once. For correct operation, you simply need to set the digital counter for the proper controller metering rate at full extruder speed. Anything less than full speed will automatically be reflected in a corresponding reduced metering rate. Voltages from 1 to 500 can be tracked. Accuracy is held over the full range. Direct-Entry Controller The Direct-Entry Controller is a contoller upgrade that greatly simplifies the operation of volumetric feeders for pellet, powder, or liquid additives. The unit, available as an option, eliminates the need for calculation and monitoring by the operator. Once the operator has set the desired colorant or additive level by using a simple thumbwheel, the controller automatically calculates the metering rate, compensates for color already present in regrind, and adjusts to variations in the molding or extrusion process. Expanded electronic recording functions are also provided. Hard-copy output can be generated directly through a printer port that is standard in the controller. Processors can document work-orders, operator number, machine numbers, set-up parameters, and other data. To enhance inventory management the unit has the ability to document running totals of natural, regrind, color, and additive. Cycle, continuous, and extrusion following modes are available on all models. 22
FEEDER ACCESSORIES / PARTS SPACER FRAMES Model 844 3 1/2” high spacer frame Model 845 8 1/4” high spacer frame Model 844-6 Transition to 6” x 6” plate Model 844-7 Transition to 4”x 4” plate Model 844-12 Transition to 12” x 12” plate Model 844-14 Transition to 14” x 14” plate Maguire spacer frames allow you to easily raise your Maguire feeder above the feed throat of your process machine if clearance is a problem. The spacer frame mounts directly below the standard feeder adaptor frame, adding height to your feeder assembly. Constructed of 1/4" thick 10"x10" steel plates, and four sturdy angle steel corner supports, these frames provide a stable platform for carrying heavy hopper loads. EXTENDED HOPPER The addition of this extension to our standard feeder hopper will increase capacity from about 22 pounds (10 kg) to 62 pounds (28 kg). This extra capacity reduces the frequency of refills whether hand-filling or loading automatically. Keep in mind that this extension may interfere with your main natural material hopper. It will also add some weight to the hopper when you wish to remove it for color changes. The side extensions are aluminum and pre-punched for easy assembly and attachment to any existing hopper. You may add this option yourself at any time should you decide later that you need the extra capacity. AUGERS ACA4 ACA8 ACA8p ACA16 1/2” auger with coupling 1” auger with coupling 1” powder (spring type) auger with coupling 2” auger with coupling AUGER TUBES 1808-4 1/2” auger tube 1808-8 1” auger tube 1808-8P 1” powder auger tube 1808-16 2” auger tube SPARE CONTROLLER ACA Spare automatic speed controller ACA-E Spare automatic speed controller w/ Extrusion Following SPARE DIRECT ENTRY CONTROLLER ACA-D Spare direct entry controller 23
Page 1 and 2: FEEDERS Series MCF AUTOMATIC SPEED
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